This is arely good mystery novel for tweens, but it has some minor problems:
1. Fletcher is beaten and hospitalized, School fights are described, fletcher and red are chased by girls with intentions to hurt them, then they fall off a balcony leaving read with a bloody face.
2. not alot of language but "oh my g-d, and h--l are used some.
3. C.S.I, I-pods, cola, and types of candy are all mentioned alot.
4. Fletcher escapes the police, steals files, lies, and sells out information to break the case, also the sharkies steal alot.
So this is a great mystery for kids 11 and up!